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Expansion vessel Solarvarem 18lOrder no.: 90 101 74 
XXX.XX
€/unit
immediately available Description • For simple solar systems and solid fuel boilers. • For standard and high-efficiency recirculation pumps with PWM signal • With 4 inputs and 2 outputs. Technical data: • Inputs: 4 Pt1000 temperature sensors, 1 Grundfos Direct SensorTM VFD • Outputs: 1 semi-conductor relays, 1 PWM output • Switching capacity: 1 (1) A, 240 V~ (semiconductor relay) • Power supply: 100 ... 240 V~ (50 ... 60 Hz) • Standby: <1 W • Data interface: RESOL VBus® • Display: system monitoring display for system visualisation, 16-segment and 7-segment display, 8 symbols for system status • Dimensions: 172 x 110 x 46 mm Delivery contents: • Incl. 2 x sensors Pt 1000 (1 x tank/boiler sensor FRP6, 1 x collector sensor FKP6) Functions: • Heat count • Commissioning menu • Function control • Drainback option • Switch between °C and °F See catalogue
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| Manufacturer item no.: | R8018241S4000000 |
| Connection: | DN 20 (3/4“) |
| Contents [l]: | 18 |
| working pressure max. [bar]: | 8 |
| Pre-compression [bar]: | 2,5 |
| Dimensions ø x H [mm]: | 270 x 415 |
| Brand: | VAREM |
| EAN: | 8034108702247 |
| Max. working pressure [bar]: | 8 |
| Contents [l]: | 18 |
| Thread size: | DN 20 (3/4") |
| Max. medium temperature (continuous operation) [°C]: | 130 |
| Colour: | Red |
| With replaceable membrane: | - |
| Diameter [mm]: | 270 |
| Height [mm]: | 420 |
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